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-rw-r--r--host/include/generic/host/atomic128-cas.h47
1 files changed, 0 insertions, 47 deletions
diff --git a/host/include/generic/host/atomic128-cas.h b/host/include/generic/host/atomic128-cas.h
deleted file mode 100644
index 6b40cc2..0000000
--- a/host/include/generic/host/atomic128-cas.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * SPDX-License-Identifier: GPL-2.0-or-later
- * Compare-and-swap for 128-bit atomic operations, generic version.
- *
- * Copyright (C) 2018, 2023 Linaro, Ltd.
- *
- * See docs/devel/atomics.rst for discussion about the guarantees each
- * atomic primitive is meant to provide.
- */
-
-#ifndef HOST_ATOMIC128_CAS_H
-#define HOST_ATOMIC128_CAS_H
-
-#if defined(CONFIG_ATOMIC128)
-static inline Int128 ATTRIBUTE_ATOMIC128_OPT
-atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new)
-{
- __int128_t *ptr_align = __builtin_assume_aligned(ptr, 16);
- Int128Alias r, c, n;
-
- c.s = cmp;
- n.s = new;
- r.i = qatomic_cmpxchg__nocheck(ptr_align, c.i, n.i);
- return r.s;
-}
-# define HAVE_CMPXCHG128 1
-#elif defined(CONFIG_CMPXCHG128)
-static inline Int128 ATTRIBUTE_ATOMIC128_OPT
-atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new)
-{
- Int128Aligned *ptr_align = __builtin_assume_aligned(ptr, 16);
- Int128Alias r, c, n;
-
- c.s = cmp;
- n.s = new;
- r.i = __sync_val_compare_and_swap_16(ptr_align, c.i, n.i);
- return r.s;
-}
-# define HAVE_CMPXCHG128 1
-#else
-/* Fallback definition that must be optimized away, or error. */
-Int128 QEMU_ERROR("unsupported atomic")
- atomic16_cmpxchg(Int128 *ptr, Int128 cmp, Int128 new);
-# define HAVE_CMPXCHG128 0
-#endif
-
-#endif /* HOST_ATOMIC128_CAS_H */